Sigma 10- vs Canon RF24-
Updated July 2026 — Canon RF24- leads on price and focal length.
The Sigma 10-18mm F2.8 DC DN is a budget-friendly ultra-wide-angle lens, while the Canon RF24-70mm F2.8 L is a versatile standard zoom lens for professionals.
Why Sigma 10- is better
Price
Significantly cheaper at $679.00
Weight
Lightest ultra-wide-angle zoom lens
Specialization
Ideal for landscapes and video
Why Canon RF24- is better
Versatility
Covers a wide focal length range
Optical Quality
High image quality with f/2.8 throughout
Stabilization
Includes optical image stabilization
Overall score
Specifications
| Spec | Sigma 10- | Canon RF24- |
|---|---|---|
| Mount Type | E Mount | RF |
| Max Aperture | f/2.8 | f/2.8 |
| Min Focus Dist. | 0.11m | 0.21m |
| Image Stabilization | No | Yes |
| Autofocus | Standard | Nano USM |
Dimension comparison
Overview of Sigma 10-18mm F2.8 DC DN and Canon RF24-70mm F2.8 L is USM
The Sigma 10-18mm F2.8 DC DN is approximately 74% cheaper than the Canon RF24-70mm F2.8 L is USM, making it a budget-friendly choice for those who want an ultra-wide angle lens. Priced at $679.00, the Sigma lens is designed for Sony E mount cameras and is ideal for landscapes, travel, and video content creation. On the other hand, the Canon lens, retailing at $2,599.00, is a standard zoom lens that offers versatility for various photography needs, particularly suited for the EOS R series mirrorless cameras.
Design and Build Quality
When it comes to design, the Sigma 10-18mm F2.8 DC DN is known for being the world's smallest and lightest ultra-wide-angle zoom lens for APS-C cameras. This lightweight design makes it particularly appealing for on-the-go photographers and videographers. In contrast, the Canon RF24-70mm F2.8 L is USM lens is robust and weather-resistant, featuring dust and moisture protection. Its optical construction incorporates a control ring for direct setting changes, enhancing usability in various shooting conditions. While both lenses are designed for durability, the Canon lens offers additional protection features, making it suitable for outdoor photography.
Optical Performance
The optical performance of both lenses is impressive, but they cater to different photographic needs. The Sigma 10-18mm F2.8 DC DN excels in ultra-wide-angle photography, making it a great choice for expansive landscapes and dynamic video shots. Its large aperture allows for expressive imaging capabilities even in less-than-ideal lighting conditions. Conversely, the Canon RF24-70mm F2.8 L is USM lens boasts high image quality with its bright f/2.8 aperture throughout the zoom range. This versatility allows photographers to capture everything from portraits to landscapes with excellent clarity. Both lenses provide exceptional performance, but the choice depends on the type of photography you intend to pursue.
Focusing and Stabilization
The Sigma 10-18mm F2.8 DC DN does not specify its focusing technology, which may impact its performance in fast-moving situations. In contrast, the Canon RF24-70mm F2.8 L is USM features advanced autofocus technology with Nano USM, enabling high-speed, smooth, and quiet focus adjustments. Additionally, it includes optical image stabilization of up to 5 stops, which is particularly beneficial for handheld shooting in low-light conditions. This stabilization feature helps ensure that images remain sharp and steady, a significant advantage for Canon users who frequently shoot in challenging environments.
Versatility in Use
The Sigma 10-18mm F2.8 DC DN is primarily designed for specific applications like landscape and content creation, making it less versatile for other types of photography. However, its ultra-wide angle is excellent for capturing expansive scenes and creative perspectives. On the other hand, the Canon RF24-70mm F2.8 L is a standard zoom lens that covers a focal length range from 24mm to 70mm, making it suitable for a wide array of photographic scenarios, from portraits to everyday moments. This versatility allows Canon users to tackle various photographic challenges without needing multiple lenses, making it an all-purpose choice.
Target Audience
The Sigma 10-18mm F2.8 DC DN caters primarily to travel photographers, videographers, and content creators who prioritize lightweight gear and ultra-wide perspectives. Its affordable price point makes it accessible for hobbyists and enthusiasts looking to enhance their photography skills without breaking the bank. In contrast, the Canon RF24-70mm F2.8 L is aimed at professional photographers who demand high-quality optics and versatility in their tools. Its premium price reflects its advanced features and robust build, catering to serious users who require reliable performance in diverse shooting conditions.
Price Comparison
The Sigma 10-18mm F2.8 DC DN is priced at $679.00, while the Canon RF24-70mm F2.8 L is significantly higher at $2,599.00. This price difference of about 74% means that budget-conscious photographers might find the Sigma lens a more attractive option for their needs. However, the Canon lens offers a higher level of quality and versatility, which may justify its premium price for professionals who require the best performance in various settings. Understanding your budget and photographic priorities will be crucial in making this decision.
Which should you buy?
Choosing between the Sigma 10-18mm F2.8 DC DN and the Canon RF24-70mm F2.8 L is ultimately a matter of your specific photography needs and budget. If you're looking for an affordable, lightweight lens that excels in ultra-wide-angle photography, the Sigma lens is an excellent choice at $679.00. However, if you require versatility and high-quality optics for a range of photography styles, the Canon lens, while significantly more expensive at $2,599.00, may be worth the investment for serious photographers.

